Systems Engineer- Networking & VTC Comms

Sunnyvale, CA

Posted: 06/05/2025 Industry: Technology Job Number: 25-00816

Job Description

We are seeking a cleared Systems Engineer with expertise in Network Engineering and Cisco Video Teleconferencing (VTC) systems to support a mission-critical, air-gapped network operating at the Secret classification level. This role requires technical proficiency in secure network infrastructure and VTC architectures, combined with a disciplined approach to configuration management and security compliance. You will play a key role in maintaining the integrity, confidentiality, and availability of highly sensitive systems and ensuring uninterrupted communication capabilities within a classified environment.
Key Responsibilities: Network Engineering
Design, implement, and maintain air-gapped LAN/WAN environments operating at the Secret level.
Configure and harden routers, switches, and firewalls in accordance with DoD SCAPs and STIGs.
Manage secure IP addressing, VLAN segmentation, and routing protocols within closed, controlled systems.
Conduct network performance tuning and diagnostics while maintaining audit readiness.
Ensure compliance with all applicable cybersecurity and network architecture policies, including physical and logical segmentation. Comms Engineering
Deploy, configure, and maintain Cisco VTC & VOIP solutions (e.G., Instant messaging, Webex Video Meetings, CUCM, TMS) on air-gapped networks.
Familiar and knowledgeable with Cisco Endpoints such as Room Kit Series, Room Bar Series and various VoIP Phones.
Participates in design, integration and support of various Audio and Video control systems such as Crestron and AMX in conjunction with Cisco Endpoints.
Coordinate with security and facility teams to ensure all video/audio devices meet cross-domain and OPSEC requirements.
Maintain change control documentation and track VTC assets according to classified asset management procedures.
Assist in customer site surveys, including collecting and recording detailed operational, functional and technical requirements, developing project scopes, to provide overall system cost for A/V projects.

Qualifications:
Active Secret clearance (or higher) and U.S. Citizenship.
Bachelor s degree in Computer Science, Information Systems, or related field (or equivalent experience).
2+ years of experience in secure network and Cisco VTC engineering roles.
Experience with Cisco Call Manager, CUCM, and other collaboration infrastructure.
Strong understanding of IP networking, VLANs, QoS, VoIP, SIP/H.323 protocols in closed systems.
Security + and CCNA certified or able to obtain within 90 days of hire.
Experience working in DoD or IC environments, adhering to cybersecurity compliance frameworks.

Kaztronix is an equal opportunity employer and does not discriminate on the basis of race, color, national origin, sex, age, religion, disability, veteran status or any other consideration made unlawful by federal, state or local laws. In addition, all human resource actions in such areas as compensation, employee benefits, transfers, layoffs, training and development are to be administered objectively, without regard to race, color, religion, age, sex, national origin, disability, veteran status or any other consideration made unlawful by federal, state or local laws.

By applying to the position, you acknowledge that your information will be used by Kaztronix in processing your application.

Meet Your Recruiter

Apply Online

Send an email reminder to:

Share This Job:

Related Jobs:

Login to save this search and get notified of similar positions.

About Sunnyvale, CA

Ready to kickstart your career in the vibrant Silicon Valley area around Sunnyvale, California? This bustling tech hub offers an unparalleled array of job opportunities in the heart of innovation. Nestled near the stunning Santa Cruz Mountains and boasting easy access to iconic landmarks like the Googleplex and Levi's Stadium, Sunnyvale provides a perfect balance of work and play. Indulge in delicious local cuisine, catch a show at the Mountain View Center for the Performing Arts, or take a stroll through the picturesque Sunnyvale Bay Trail. Don't miss out on the chance to grow your career in this dynamic and enchanting region – explore our job listings today!